BSE Sensex edges higher; derivatives expiry looms

Reuters Market Eye - The benchmark BSE Sensex gains 0.21 percent while the broader Nifty is up 0.24 percent, tracking positive Asian stocks.

However, broader sentiment is cautious ahead of the expiry of monthly derivative contracts later in the day.

Continued buying by foreign institutional investors buoy blue chips: Oil and Natural Gas Corp is up 2.4 percent, while Bharti Airtel gains 1.2 percent.

Foreign institutional investors were buyers of 4.07 billion rupees worth of Indian shares on Tuesday, marking a seventh consecutive session of purchases, exchange data showed.

(Reporting by Indulal PM)